Legend:

I see a conflict in putting a GPL v2 licensed code into a package that grants usage under GPL v1 from 2007-01-24 ongooing.

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I see a conflict in putting a GPL v2 licensed code into a package that grants usage under GPL v1 from 2007-01-24 ongoing.

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A similar conflict between the Wordpress licensing and KSES licensing resulted in [http://hakre.wordpress.com/2011/01/15/wordpress-changes-gpl-license-text-again/ changing Wordpress licensing terms]. Wordpress.org did put code licensed under GPL v2+ into it's GPL package that by it's own license granted usage under GPL v1 as well. You find the related issue here: #16039